Dragon Ball Z: Sagas Tips

First, Pick a character. It looks best with Goku. You must have teleport, and Special Move. Next, Lock on to a character. Start the Special move, and Charge it. Before it fires, Use teleport. You will end up behind your target. Release to Fire your Warp Kamehameha/Galick gun/Masenko/etc.

Beat the game once, and you'll unlock the Pendulum mode. In this mode, you can replay any chapter you like, with any character you like; Including some hidden ones: Broly, Bardock, Krillin, Tien, and Yamcha.